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Finding the Fourth Proportional to 59.06, 88.07 and 53.13

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Solution

The fourth proportional to 59.06, 88.07 and 53.13 is: 79.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.06 : 88.07 = 53.13 : x
  2. Step 2: Convert to fraction form
    59.06/88.07 = 53.13/x
  3. Step 3: Cross multiply
    59.06x = 88.07 × 53.13
  4. Step 4: Simplify right side
    59.06x = 4,678.89
  5. Step 5: Solve for x
    x = 4,678.89/59.06
  6. Step 6: Final answer
    x = 79.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.